Mathematics, 03.05.2021 07:10 amiechap12
1. The ages of customers at a store are normally distributed with a mean of 45 years and a standard deviation of 13.8 years.
(a) What is the z-score for a customer that just turned 25 years old? Round to the nearest hundredth.
(b) Give an example of a customer age with a corresponding z-score greater than 2. Justify your answer.
Answers: 2
Mathematics, 21.06.2019 15:30
For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary
Answers: 1
Mathematics, 21.06.2019 19:40
Graph y = -|x| + 2. click on the graph until the correct one appears.
Answers: 3
Mathematics, 21.06.2019 20:00
Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?
Answers: 2
1. The ages of customers at a store are normally distributed with a mean of 45 years and a standard...
Mathematics, 17.06.2021 04:00
History, 17.06.2021 04:00
Advanced Placement (AP), 17.06.2021 04:00
Mathematics, 17.06.2021 04:00
Geography, 17.06.2021 04:00
Chemistry, 17.06.2021 04:00
History, 17.06.2021 04:00
Mathematics, 17.06.2021 04:00
Computers and Technology, 17.06.2021 04:00